/*
 * Copyright (c) 2019, 2021 Oracle and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.helidon.microprofile.faulttolerance;

import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;

import jakarta.enterprise.context.ApplicationScoped;
import org.eclipse.microprofile.faulttolerance.Asynchronous;

/**
 * A bean that invokes a {@code Callable} in another thread by using the
 * {@code @Asynchronous} annotation.
 */
@ApplicationScoped
class AsynchronousCallerBean {

    @Asynchronous
    <T> CompletableFuture<T> submit(Callable<T> callable) {
        CompletableFuture<T> future = new CompletableFuture<>();
        try {
            T o = callable.call();
            future.complete(o);
        }
        catch (Throwable t) {
            future.completeExceptionally(t);
        }
        return future;
    }
}
